ohGr is an American industrial band formed by Canadian musicians Nivek Ogre and Mark Walk, formerly of Skinny Puppy. Early ohGr releases incorporated hip hop and synth-pop influences, and in contrast
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c5a258d9a643cd5addc6f9044eb6262d2c697d6af3dfbb2c36d99610398ed74. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/494b71bb-2f3b-4e4e-b952-9e49d7800db9.json and https://artists.proofprofile.net/proofs/artist/494b71bb-2f3b-4e4e-b952-9e49d7800db9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12f47adfdd85ceece91fbdb165f754be39adb37823b7c45a9323e1baa7607156. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0300159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78415d0d083d782e6b3114e7999a6cc6fae0c112e028a71ceea46baf79bdb26f. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0300160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x162f14ae8e7a1020b6364098c280688738ffa0e749627532c0c847cae103da05. Chain 2 (Bitcoin): anchored in block 957728 (2026-07-12T16:20:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0300161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e7056b9e201d472a22991c4720fe3fac1229064af5374c468e85d223b332f72. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0300163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf49621b40763d8978d17341d5c89371409cb8d9ba21233eaae630de8c13a06e1. Chain 2 (Bitcoin): anchored in block 959063 (2026-07-21T21:45:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0300164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0acba528fea618dfbcf4b060253ef7518a4be77877fa490755d8a68622c8a48. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0300167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1735ec2157f3a6321586904380b550ed74619f7091879d7b79d5388c9945c30. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0300168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa31b2633c8ce406be65340ecce97cf596b498e17edb4f3f4d620b582a1ff873d. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0000598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde609bb32391e6ba405b76f202362daf9b20c1fcafae8eddef19cde1de48d22c. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0000599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44be6f2255165a00ceab5657540cd3131852692e81423b6b3fab574131ec124f. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0000602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe41e46b37343692c9383bb79b5c7c8990f3c5adb6669b5ed21e91263db88975b. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0000604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84f1cd1c6464a46b8386c621d27bcb9c19c4c6d31265e4247d05f3b61e4d7dd0. Chain 2 (Bitcoin): anchored in block 958697 (2026-07-19T07:58:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0000605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe26278952117b23277ca7b7afe93bed62686a4d2d3966df86ef63fc6cbdd8539. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCBR0000606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcce0982da2b248fda78b39325227bf74703338c7072d8b5221c66e3c33873df8. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA450823550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8f6c0a9dff379bdb718442961425992ce0e290faf924968bf6280b48fe5d861. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMYCS1150002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18cd4879958a480ba4ebba1fdcb4b700911b51aa6d0fa6b5720a99e986c6ccc5. Chain 2 (Bitcoin): anchored in block 959002 (2026-07-21T11:47:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMYCS1150004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05fa79572b87e14a73e3bb8791fc8fdad5e0cc2601468c3030ef7df095dfdfd5. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMYCS1150005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc68d23eae29d75b66f140095cf9da4ab6ae89ef21d7a6f262da1e5e87985cd82. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMYCS1150008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03fb689bca0ab83d28406ee3ab3bd6622fd03a87f090af3e7257fa11ba5f7484. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMYCS1150009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec46f838d8f7ef16253af7f9d0464fbc969b7a48072d9da291cda7d76ac23fa7. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMYCS1150010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf1d6b3d4f21dbc21acd4e1f3fbb905c1406b57c755d330caab9b24463e3ddb9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMYCS1150011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4351128fec60cc185397d3907a3bafc6db804bd255aad482000e604d4c50d88b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL1812031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa772b431d0adfce5471b655d3f2682766947fd4220fd2d7dd8e3158f2f0761f4. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL1812032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07d2286034d639224ebbd0209e4067f2971216babf2f811343d42c830b27d361. Chain 2 (Bitcoin): anchored in block 958714 (2026-07-19T09:51:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL1812033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e9e660dd9dd668e7650d67c64f2eaeca0391615c05e542f3dc7b99be142324c. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL1812034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9d64280f5ce649bbe16f8e04d03f4e032fd9ca166afdda61c7c7304b5bb357. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL1812035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fd755a846304e91a3e6d032e0d82cbb4669ac06b98d5fe75269e00239bce97a. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL1812037.